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Figure Caption

Figure 2—figure supplement 2.

No obvious defects in EC polarity in Apelin deficient embryos.

Confocal projection images of the trunk region of Tg(kdrl:NLS-EGFP); Tg(fli1a:B4GALT1-mCherry) embryos at 24 hpf. Apelin deficiency does not cause obvious defects in EC polarity (aplnr +/+, n = 6; aplnr -/-, n = 8). Arrowheads point to polarized tip cells in the ISVs. Scale bar: 20 µm.

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